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Adjusted sample to reflect class name changes

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7051 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
George Tasker
2000-04-03 12:32:28 +00:00
parent b5c119361b
commit 3703308721
4 changed files with 38 additions and 38 deletions
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40
samples/db/dbtest.cpp
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@@ -16,7 +16,7 @@
donated by the development team at Remstar International.
The table this sample is based on is developer contact table, and shows
some of the simple uses of the database classes wxDB and wxTable.
some of the simple uses of the database classes wxDb and wxDbTable.
* SYNOPSIS END
*/
@@ -42,7 +42,7 @@
#include <stdio.h> /* Included strictly for reading the text file with the database parameters */
#include <wx/db.h> /* Required in the file which will get the data source connection */
#include <wx/dbtable.h> /* Has the wxTable object from which all data objects will inherit their data table functionality */
#include <wx/dbtable.h> /* Has the wxDbTable object from which all data objects will inherit their data table functionality */
extern wxDbList WXDLLEXPORT *PtrBegDbList; /* from db.cpp, used in getting back error results from db connections */
@@ -61,23 +61,23 @@ DatabaseDemoFrame *DemoFrame; /* Pointer to the main frame */
* for user login names and passwords, getting workstation settings, etc.
* ---> IMPORTANT <---
*
* For each database object created which uses this wxDB pointer
* For each database object created which uses this wxDb pointer
* connection to the database, when a CommitTrans() or RollBackTrans()
* will commit or rollback EVERY object which uses this wxDB pointer.
* will commit or rollback EVERY object which uses this wxDb pointer.
*
* To allow each table object (those derived from wxTable) to be
* To allow each table object (those derived from wxDbTable) to be
* individually committed or rolled back, you MUST use a different
* instance of wxDB in the constructor of the table. Doing so creates
* instance of wxDb in the constructor of the table. Doing so creates
* more overhead, and will use more database connections (some DBs have
* connection limits...), so use connections sparringly.
*
* It is recommended that one "main" database connection be created for
* the entire program to use for READ-ONLY database accesses, but for each
* table object which will do a CommitTrans() or RollbackTrans() that a
* new wxDB object be created and used for it.
* new wxDb object be created and used for it.
*/
wxDB *READONLY_DB;
wxDb *READONLY_DB;
/*
* This function will return the exact string(s) from the database engine
@@ -353,24 +353,24 @@ void DatabaseDemoFrame::BuildParameterDialog(wxWindow *parent)
/*
* Constructor note: If no wxDB object is passed in, a new connection to the database
* Constructor note: If no wxDb object is passed in, a new connection to the database
* is created for this instance of Ccontact. This can be a slow process depending
* on the database engine being used, and some database engines have a limit on the
* number of connections (either hard limits, or license restricted) so care should
* be used to use as few connections as is necessary.
*
* IMPORTANT: Objects which share a wxDB pointer are ALL acted upon whenever a member
* IMPORTANT: Objects which share a wxDb pointer are ALL acted upon whenever a member
* function of pDb is called (i.e. CommitTrans() or RollbackTrans(), so if modifying
* or creating a table objects which use the same pDb, know that all the objects
* will be committed or rolled back when any of the objects has this function call made.
*/
Ccontact::Ccontact (wxDB *pwxDB) : wxTable(pwxDB ? pwxDB : wxDbGetConnection(&DbConnectInf),CONTACT_TABLE_NAME,CONTACT_NO_COLS,NULL,!QUERY_ONLY,DbConnectInf.defaultDir)
Ccontact::Ccontact (wxDb *pwxDb) : wxDbTable(pwxDb ? pwxDb : wxDbGetConnection(&DbConnectInf),CONTACT_TABLE_NAME,CONTACT_NO_COLS,NULL,!QUERY_ONLY,DbConnectInf.defaultDir)
{
// This is used to represent whether the database connection should be released
// when this instance of the object is deleted. If using the same connection
// for multiple instance of database objects, then the connection should only be
// released when the last database instance using the connection is deleted
freeDbConn = !pwxDB;
freeDbConn = !pwxDb;
SetupColumns();
@@ -416,7 +416,7 @@ Ccontact::~Ccontact()
/*
* Handles setting up all the connections for the interface from the wxTable
* Handles setting up all the connections for the interface from the wxDbTable
* functions to interface to the data structure used to store records in
* memory, and for all the column definitions that define the table structure
*/
@@ -444,7 +444,7 @@ bool Ccontact::CreateIndexes(void)
// This index could easily be accomplished with an "orderBy" clause,
// but is done to show how to construct a non-primary index.
wxString indexName;
CidxDef idxDef[2];
wxDbIdxDef idxDef[2];
bool Ok = TRUE;
@@ -624,9 +624,9 @@ CeditorDlg::CeditorDlg(wxWindow *parent) : wxPanel (parent, 1, 1, 460, 455)
Contact->orderBy = "NAME"; // field name to sort by
// The wxString "whereStr" is not a member of the wxTable object, it is a member variable
// The wxString "whereStr" is not a member of the wxDbTable object, it is a member variable
// specifically in the Ccontact class. It is used here for simpler construction of a varying
// length string, and then after the string is built, the wxTable member variable "where" is
// length string, and then after the string is built, the wxDbTable member variable "where" is
// assigned the pointer to the constructed string.
//
// The constructed where clause below has a sub-query within it "SELECT MIN(NAME) FROM %s"
@@ -1548,7 +1548,7 @@ BEGIN_EVENT_TABLE(CqueryDlg, wxDialog)
END_EVENT_TABLE()
// CqueryDlg() constructor
CqueryDlg::CqueryDlg(wxWindow *parent, wxDB *pDb, char *tblName[], char *pWhereArg) : wxDialog (parent, QUERY_DIALOG, "Query", wxPoint(-1, -1), wxSize(480, 360))
CqueryDlg::CqueryDlg(wxWindow *parent, wxDb *pDb, char *tblName[], char *pWhereArg) : wxDialog (parent, QUERY_DIALOG, "Query", wxPoint(-1, -1), wxSize(480, 360))
{
wxBeginBusyCursor();
@@ -2023,11 +2023,11 @@ void CqueryDlg::ProcessCountBtn()
if (!ValidateWhereClause())
return;
if (dbTable == 0) // wxTable object needs to be created and opened
if (dbTable == 0) // wxDbTable object needs to be created and opened
{
if (!(dbTable = new wxTable(pDB, masterTableName, 0, NULL, !QUERY_ONLY, DbConnectInf.defaultDir)))
if (!(dbTable = new wxDbTable(pDB, masterTableName, 0, NULL, !QUERY_ONLY, DbConnectInf.defaultDir)))
{
wxMessageBox("Memory allocation failed creating a wxTable object.","Error...",wxOK | wxICON_EXCLAMATION);
wxMessageBox("Memory allocation failed creating a wxDbTable object.","Error...",wxOK | wxICON_EXCLAMATION);
return;
}
if (!dbTable->Open())